Home / 283,654.02-391,444.35-156,329.61

Finding the Fourth Proportional to 283,654.02, 391,444.35 and 156,329.61

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Solution

The fourth proportional to 283,654.02, 391,444.35 and 156,329.61 is: 215,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,654.02 : 391,444.35 = 156,329.61 : x
  2. Step 2: Convert to fraction form
    283,654.02/391,444.35 = 156,329.61/x
  3. Step 3: Cross multiply
    283,654.02x = 391,444.35 × 156,329.61
  4. Step 4: Simplify right side
    283,654.02x = 61,194,344,626.36
  5. Step 5: Solve for x
    x = 61,194,344,626.36/283,654.02
  6. Step 6: Final answer
    x = 215,735.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.